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How to Pick the Graphics Card That’s Right for You

by Naveen Agarwal
Graphics Card

GPUs are vital, but how do you pick the best one? Several GPU alternatives are available from various manufacturers, and it may be challenging to choose which one best meets your requirements. Knowing the fundamentals of how they work and the distinctions between them might aid in making that selection.

The following advice should assist you in selecting the best graphics card.

Graphics Card Memory:

In gaming, it is hard to get the quantity of graphics card memory. It is a random estimate that for 1080p gaming, the best RAM should be 6GB, 8GB, or more. 8GB is best, but you have to get additional RAM if you install high-resolution texture packs. More than 8GB is great if you’re gaming at extremely high resolutions, such as 4K.

It is a good idea to understand what type of games you are likely to want to play over the time you own your new graphics card, if you are trying to max out Cyberpunk 2077 then the more RAM (and cost) the better, however, if you are mostly using this as a work computer with the occasional Drift Hunters session then you can get away with less RAM.

Form Factor:

The form factor is quite essential. There should be enough space in your case for your card. Focus on the length, height, and thickness of graphic cards. In the market, you can have graphics cards of multiple-choice like;

  1. half-height,
  2. single-slot, dual-slot,
  3. and triple-slot configurations.

The latest cards are more extensive and thicker as compared to the card of the previous generation. Even if a card theoretically only takes up two slots in your case, it may obstruct a neighboring slot if it has a large heatsink and fan shroud. If you have a Mini-ITX motherboard, seek a mini card 8 inches (205mm) or less in length. However, other cards with this name are more extended, so verify the specifications.

TDP:

TDP offers you an estimate of how many watts you’ll need to power your card at default settings. Nvidia is switching to TGP also known as total Graphics Power, which refers to the total power of the card.) You need to arrange the updated PSU; if you are interested in using a PSU of 400-watt with an overclocked 95-watt CPU and wishing to add a card with a 250-watt TDP, you’ll almost likely need to update the PSU. Generally, a 600W PSU is enough for many previous-generation GPUs. However, if you plan on overclocking your RTX 3080/RX 6800 XT or above, you should go with a higher-wattage power supply.

Power Connectors:

Power Connectors are critical. All serious gaming cards use more power than the conventional maximum of 75W provided by the x16 PCIe slot. These cards need the use of extra PCIe power connections, which are available in 6- and 8-pin configurations. (The RTX 30-series cards from Nvidia use 12-pin connections, but they also come with 8-pin to 12-pin adapters.) In some cards, we can find these connections, and in others, we can notice that some cards have 2 or 3, and 6- and 8-pin ports that may find in the same card. Suppose your power supply lacks the extra connections you need. In that case, you should consider upgrading—adapters that take power from a few SATA or Molex connectors are not suggested as long-term solutions.

Ports:

Some monitors have HDMI, while others have DisplayPort, while some older models only have DVI. A few displays also enable USB Type-C signal routing for DisplayPort signals. However, they are currently uncommon. Check that the card you want to purchase has the connections you need for your monitor(s), so you don’t have to purchase an adapter—or maybe a new display (unless you want to).

 Clock speed:

Some cards with the same GPU (for example, an RTX 3060 Ti) will be factory overclocked to a little higher speed, which might result in a minor variance in frame rates. It would be best if you focus on;

1) Memory speed,

2) core counts,

3) Architecture, and

4) to clock speed.

Cores CUDA / Stream Processors:

Stream process is something like the clock speed; as we know, it only tells us the identification of a GPU’s performance level.

It is better and informative to compare the core counts within the same architecture compared to cross architectures. So comparing Nvidia Pascal vs. Ampere CUDA cores (or Streaming Multiprocessors) isn’t as informative as simply Ampere. Similarly, comparing Navi to Vega or Polaris Stream Processors (or Compute Units) isn’t especially useful for AMD. It is even less relevant to compare AMD and Nvidia designs only on core counts.

TFLOPS / GFLOPS:

TFLOPS stands for trillions of floating-point operations per second. It is a measure of a GPU’s potential maximal performance.

(It may alternatively be written as GFLOPS, which stands for billions of FLOPS.) The TFLOPS for a GPU is calculated by multiplying the number of cores by the clock speed in GHz, then multiplying by two (for FMA or Fused Multiply Add instructions). When comparing architectures, TFLOPS often shows you how much quicker one processor is relative to another. It is less relevant to compare architectures (for example, AMD Navi 10 vs. Nvidia Turing TU106 or AMD Navi 10 compared. AMD Vega 10).

Memory speed / bandwidth: Considerably critical. Better memory, like quicker clock speed, may make one card faster than another. Because of the improved memory bandwidth, the GTX 1650 GDDR6 is about 15% quicker than the GTX 1650 GDDR5.

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